128133044 has 48 divisors (see below), whose sum is σ = 252059136. Its totient is φ = 56592000.

The previous prime is 128132987. The next prime is 128133059. The reversal of 128133044 is 440331821.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162419 + ... + 163205.

It is an arithmetic number, because the mean of its divisors is an integer number (5251232).

Almost surely, 2^128133044 is an apocalyptic number.

It is an amenable number.

128133044 is a deficient number, since it is larger than the sum of its proper divisors (123926092).

128133044 is a wasteful number, since it uses less digits than its factorization.

128133044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 128133044 is about 11319.5867415732. The cubic root of 128133044 is about 504.1429688047.

Adding to 128133044 its reverse (440331821), we get a palindrome (568464865).

The spelling of 128133044 in words is "one hundred twenty-eight million, one hundred thirty-three thousand, forty-four".